Patent US2448503A successfully refreshed from Google Patents.
US2448503A
Expired / Lapsed
US
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Control device
Assignee: Honeywell Inc
•
Filing: 1942-11-13
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Granted: 1948-08-31
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Expires: 1962-11-13
Abstract
No abstract record available.
Inventors
- 👤 John M Wilson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 18:13
CPC Classifications
F; F23; F23N; F23N5/00; F23N5/02; F23N5/08; F23N5/082
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2049355A
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US1947189A
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US2120053A
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US2243071A
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US2263430A
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US2304641A
Cited
US2299501A
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US2274384A
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US2360532A
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US2423478A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-08-31 | 1952-03-01 | 1952-08-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-08-31 | 1956-03-01 | 1956-08-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-08-31 | 1960-03-01 | 1960-08-31 | $7700.00 | Window Closed / Lapsed |